<!--继承base.html模版-->
{% extends 'base.html' %}
{% block body %}
<h2>{{the_title}}</h2>
<form method="post" action="/search4">
    <table>
        <p> use this form to submit a search request:</p>
        <tr><td>phrase:</td><td><input name="phrase" type="text" width="60"></td></tr>
        <tr><td>letters:</td><td><input name="letters" type="text" width="60" value="aeiou"></td></tr>
    </table>
    <p>when you're ready, click this button:</p>
    <p><input value="do it !" type="submit"></p>
</form>
{% endblock%}